package com.xu.springboot04.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xu.springboot04.bean.User;
import com.xu.springboot04.mapper.UserMapper;
import com.xu.springboot04.service.UserService;
import org.springframework.stereotype.Service;

// ServiceImpl<K, V> 要接收两个泛型，K 表示 Mapper, V 表示 POJO，即要使用哪个 Mapper 来操作哪一张表
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {



}
